import {
  pgTable,
  uuid,
  varchar,
  text,
  jsonb,
  timestamp,
  index,
  uniqueIndex,
  foreignKey,
} from "drizzle-orm/pg-core";
import { workspaces } from "./workspaces";

/**
 * Imported plan / epic / task rows sourced from repo markdown under `plans/`.
 * Scoped by workspace (tenant boundary in this app).
 */
export const markdownBacklogItems = pgTable(
  "markdown_backlog_items",
  {
    id: uuid("id").primaryKey().defaultRandom(),
    workspaceId: uuid("workspace_id")
      .notNull()
      .references(() => workspaces.id, { onDelete: "cascade" }),
    kind: varchar("kind", { length: 20 }).notNull(),
    slug: varchar("slug", { length: 200 }).notNull(),
    planSlug: varchar("plan_slug", { length: 200 }).notNull(),
    epicSlug: varchar("epic_slug", { length: 200 }),
    parentId: uuid("parent_id"),
    repoPath: text("repo_path").notNull(),
    title: varchar("title", { length: 500 }).notNull().default(""),
    status: varchar("status", { length: 50 }),
    priority: varchar("priority", { length: 20 }),
    owner: text("owner"),
    frontmatter: jsonb("frontmatter").$type<Record<string, unknown> | null>(),
    bodyMarkdown: text("body_markdown").notNull().default(""),
    contentHash: varchar("content_hash", { length: 64 }).notNull(),
    createdAt: timestamp("created_at", { withTimezone: true }).defaultNow().notNull(),
    updatedAt: timestamp("updated_at", { withTimezone: true }).defaultNow().notNull(),
  },
  (table) => ({
    parentFk: foreignKey({
      columns: [table.parentId],
      foreignColumns: [table.id],
    }).onDelete("set null"),
    workspaceRepoUnique: uniqueIndex("markdown_backlog_workspace_repo_path_unique").on(
      table.workspaceId,
      table.repoPath,
    ),
    workspacePlanIdx: index("markdown_backlog_workspace_plan_idx").on(
      table.workspaceId,
      table.planSlug,
    ),
    parentIdIdx: index("markdown_backlog_parent_id_idx").on(table.parentId),
    workspaceKindIdx: index("markdown_backlog_workspace_kind_idx").on(
      table.workspaceId,
      table.kind,
    ),
  }),
);